dswitcher

#!/usr/bin/env bash

remove_useless() {
    if [ -z "$1" ]
    then
        cat
    else
        grep -v "$1"
    fi
}

# dmenu cannot display more than 30 lines, to avoid screen clutter. Only relevant if you have more than 30 windows open.
height=$(wmctrl -l | wc -l)
if [[ $height -gt 30 ]]
	then heightfit=30
	else heightfit=$height
fi

window=$(wmctrl -xl \
     | remove_useless "$1" \
     | sed 's/  / /' \
     | sed -r 's/^(0x.{8}) ([0-9]+) [^ \t]+\.([^ \t]+)[ \t]+[^ \t]+[ \t]+(.*)$/\2 - \3: \4 [\1]/' \
     | dmenu -i -p "windows" -l $heightfit \
     | sed -rn 's,.*\[(.{10})\],\1,p')

[[ -z "$window" ]] && exit
wmctrl -i -a "$window"